16results about How to "Effective stimulation" patented technology

The invention provides a composite exciting agent and application thereof, and relates to the technical field of exciting agents, and the composite exciting agent comprises an alkaline exciting agent, a calcium source exciting agent and an auxiliary exciting component. Industrial solid waste materials such as the slag, the fly ash and the steel slag can work cooperatively in the same system, the gelling performance, the mechanical strength and the durability of the material are remarkably improved, and the purposes of solid waste resource utilization and low-carbon environmental protection are achieved.

An antigen peptide associated with a lung cancer driver gene mutation, the sequences of the antigen peptide are SEQ ID NO.17 and SEQ ID NO.21; application of the antigen peptide, wherein the antigen peptide is used to induce the production of specific cytotoxic T cell clones; the antigen peptide has a high affinity with MHC I molecules on DC cells, and can effectively stimulate and induce the production of specific cytotoxic T lymphocytes, and can be used for immune clearance of tumor cells with lung cancer-related driver gene mutations, and has good therapeutic potential.

The present application relates to a kind of electromagnetic ultrasonic-based underwater steel structure damage detection and distinguishing method, using electromagnetic ultrasonic detection equipment to detect underwater steel structure with non-conductive covering layer on surface.The method comprises: electromagnetic acoustic transducer (EMAT) probe is arranged above the surface of underwater steel structure;According to lift-off distance, configure excitation parameter;Apply excitation pulse to emit ultrasonic wave;Receive echo signal and extract transit time feature, echo amplitude feature and initial wave amplitude feature;At least one change based on the above features distinguishes abnormal type, the abnormal type includes at least one of corrosion thinning, surface opening crack and simple lift-off increase.By the above design, the present application realizes the accurate detection and reliable distinction of underwater steel structure damage state under the condition of non-conductive covering layer.

This disclosure relates to a blood collection needle, comprising: an outer sheath; at least two spring arms disposed at a first end of the outer sheath; a blood collection needle, wherein the outer wall of the needle core of the blood collection needle is provided with at least two stop protrusions, the at least two stop protrusions being adapted to abut against the ends of the at least two spring arms respectively in the axial direction; a pressing member, adapted to be pressedly assembled to the first end in the direction of the needle outlet, including a pressing cap and at least two extensions; a drive spring, one end abutting against the pressing member and the other end abutting against the stop protrusions of the blood collection needle, wherein: the extensions are adapted to abut against the corresponding ends of the at least two spring arms when the pressing member moves in the direction of the needle outlet, thereby driving the ends of the at least two spring arms to deform or move laterally outward, so that the stop protrusions simultaneously disengage from abutting against the ends of the at least two spring arms and allow the needle core to move in the direction of needle outlet.

The utility model relates to the technical field of medical instruments, and discloses a multifunctional lower limb rehabilitation training support which comprises a shell, a driving mechanism is arranged on the lower portion of the shell, a lifting mechanism is arranged on the upper portion of the shell, and the upper portion of the driving mechanism makes contact with the lower portion of the lifting mechanism. According to the multifunctional lower limb rehabilitation training support, a driving gear motor drives a transmission shaft to rotate through a belt wheel and a belt, then cams are driven to rotate, accordingly, through jacking of the cams, a lifting rod drives a supporting block to move upwards through a limiting column, the supporting block supports the legs of a patient, every three adjacent cams form a group, and the supporting block is driven to move upwards; the three cams in each group are fixed on the periphery of the transmission shaft in a circumferential array, so that when the transmission shaft is driven by the gear motor to rotate by a certain angle, different supporting blocks are jacked up, muscles of the lower limbs are moved, blood circulation is promoted, and diseases such as pressure sores can be effectively prevented.

The invention belongs to the technical field of luminescent materials, and discloses green fluorescent powder as well as a preparation method and application thereof. The chemical formula of the green fluorescent powder is CaY (1-x) GaO4: xCe < 3 + >, and x is more than or equal to 0.02 and less than or equal to 0.2. Due to the specific composition, the green fluorescent powder disclosed by the invention not only can be used in the field of non-contact optical temperature measurement, but also can be used in the field of indoor illumination. When being applied to optical temperature measurement, the optical temperature sensor has the advantages of quick effect, high resolution, high sensitivity, high temperature resistance, no need of direct contact with an object and the like. And after being mixed with a blue light chip and commercial red fluorescent powder, the light-emitting material can be used as a warm white light LED device, and has the advantages of low cost and stable performance, and the obtained warm white light LED device has a good light-emitting effect.

This application discloses a road inspection equipment based on elastic waves, relating to the field of road inspection. It includes: a data control system for controlling the excitation of a seismic source system, acquiring and recording simulated seismic signals received by a geophone system and the spatial coordinate data of the geophone system; a geophone system comprising multiple gravity-coupled geophones spaced at intervals along the circumference of a wheeled frame, for receiving simulated seismic signals generated by the seismic source system and coupled to the ground, converting the simulated seismic signals into electrical signals and transmitting them to the data control system; a seismic source system, under the control of the data control system, generating simulated seismic signals and coupling them to the ground; and a wheeled frame for mounting the geophone system and the seismic source system, driving the seismic source system and the geophone system to acquire data on the structure beneath the road during movement. Addressing the low efficiency of deep road defect detection in existing technologies, this application improves the efficiency of deep road inspection.

The invention discloses a fin blockage state diagnosis system based on intelligent temperature measurement of an air cooling fin, and relates to the technical field of blockage diagnosis, and the fin blockage state diagnosis system comprises a moving vehicle, a first mounting plate, an adjusting mechanism, a mounting rod and a knocking mechanism, the right front end of the top of the first mounting plate is fixedly connected with an adjusting mechanism, the right rear end of the adjusting mechanism is fixedly connected with a mounting rod, the adjusting mechanism is arranged, through forward or backward movement and upward or downward movement of a temperature detection mechanism, comprehensive coverage detection of the air cooling fins is achieved, and meanwhile the air cooling fins of different shapes and sizes are adapted; a data integration mechanism is arranged, temperature information and sound difference information detected by a temperature detection mechanism are integrated through a data integration module, a worker can judge the blocking state of the air cooling fin more accurately, and the risk of misjudgment of a single parameter is reduced through mutual verification of the temperature information and the sound difference information.

The utility model relates to a kind of treatment auxiliary devices, especially a kind of cardiology treatment auxiliary device, including support frame, control module, connecting line, air cylinder, extrusion block, conducting plate and connecting assembly etc.;Control module is installed on the top of support frame, air cylinder is installed on support frame, control module is electrically connected with air cylinder, connecting assembly is set on the piston rod of air cylinder, air cylinder is connected with extrusion block by connecting assembly, extrusion block bottom is fixedly connected with conducting plate, control module is electrically connected with conducting plate by connecting line. The utility model accurately controls the delivery of current and the telescopic movement of air cylinder by control module, realizes the effective stimulation and intermittent compression to patient's heart, ensures the accuracy and effectiveness of treatment process.

The application discloses a recombinant carrier for preparing HLA / beta 2M complex and a preparation method and application thereof, relates to the technical field of antibody preparation of MHC-polypeptide complex, and provides a recombinant carrier for preparing HLA / beta 2M complex, wherein FOS leucine zipper bZIP motif is inserted between NheI / AvrII enzyme cutting sites of an original carrier, JUN leucine zipper bZIP motif is inserted between BsiWI / BlpI enzyme cutting sites, beta 2M gene sequence is inserted between AgeI / NheI enzyme cutting sites, and HLA sequence is inserted between specific enzyme cutting sites, so that the prepared HLA / beta 2M complex has high expression, and the highest expression reaches 92.45 mg / L.

The application discloses europium-doped apatite-based red fluorescent powder and a preparation method thereof, and relates to the technical field of luminescent materials. 10‑x (PO4)6F2:xEu 3+ ; wherein x is Eu 3+ doping substitution Ca 2+ , and the molar ratio of Eu 3+ is 0.02<=x<=0.2. The preparation method mainly uses a calcium source, a fluorine source, a phosphate, and an Eu 3+ containing compound as raw materials, and the fluorescent powder can be obtained through hydrothermal heating at a temperature of 150-250 DEG C, cleaning and drying. The prepared fluorescent powder shows strong narrow-band red emission under excitation of ultraviolet light of 390 nm, the emission wavelength ranges from 579 nm to 696 nm, and the main peak is at 618 nm; the color temperature is 2138.74 K, and the color coordinates are about (0.5896, 0.3385), so the prepared fluorescent powder can be used as a red fluorescent powder with relatively good thermal stability. The preparation process is simple, green and environmentally friendly, and is convenient for large-scale production.

The present invention discloses a near-infrared femtosecond laser simulation-induced vascular embolism system. Rose Bengal reagent is pre-injected into the cerebral cortical blood vessels; the femtosecond laser is stimulated to generate a specific near-infrared 1070nm femtosecond laser and is incident on the two-photon microscope system to focus on the cerebral cortical blood vessel area of ​​interest; repeated spiral rapid scanning stimulation is performed in the area of ​​interest ROI to form a thrombus, and the imaging laser is also processed to generate an imaging beam and focused on the cerebral cortical blood vessels for real-time vascular imaging; the imaging laser generates an imaging beam and is incident on the two-photon microscope system; the stimulating femtosecond laser and the imaging laser are controlled to work according to the scanning imaging sequence. The present invention combines 1070nm near-infrared femtosecond laser stimulation with two-photon microscopic imaging technology to achieve precise and rapid thrombosis of blood vessels of various types, sizes and depths. It is a new and more effective system for the formation of targeted vascular thrombus, which is fast, accurate and has depth selectivity.

The invention belongs to the field of luminescent materials, and particularly relates to a perovskite quantum dot glass composite luminescent material and a preparation method and application thereof. The luminescent material comprises perovskite quantum dots and lithium disilicate glass ceramic, the chemical formula of the perovskite quantum dots is KxCs1-xPbBr3, x is greater than or equal to 0.2 and less than or equal to 0.4, and the mass of the perovskite quantum dots is 10-70% of the mass of the lithium disilicate glass ceramic. The preparation method disclosed by the invention is simple in process, high in photoluminescence intensity, low in equipment requirement, wide in excitation spectrum, small in Stokes shift phenomenon, environment-friendly and good in industrialization prospect and application prospect.

The application provides a full-spectrum complex-phase fluorescent ceramic and a preparation method and application thereof. 1‑x‑y Sr y AlSiN3:xEu (0 1‑x‑a‑b Y a Gd b )3(Al 1‑c Ga c )5O 12 :xCe (0 12 The short-time ceramic sintering and the faster temperature rising and falling rate in the application effectively slow down the grain growth in the ceramic sintering process, and in the short-time sintering process, the nitride powder forms the oxide phase in situ without causing large decomposition or sintering so as to make it invalid. In short, through the short-time high-temperature pulse sintering, the sintering densification of the complex-phase ceramic is promoted, and the nitride phase is avoided from being oxidized in the long-time high-temperature process to cause the sharp drop of the luminous efficiency.

The invention discloses spinel-based near-infrared fluorescent powder and a preparation method thereof.The prepared spinel-based near-infrared fluorescent powder is LiAl (4.96-x) BxO (8-1.5 x) Nx: 0.04 Cr, x is larger than or equal to 0 and smaller than or equal to 1, raw materials are fully mixed and ground, the temperature is raised to 550 DEG C in the air atmosphere and preheated for 3 h, then the temperature is raised to 1200 DEG C, heat preservation is conducted for a period of time, finally, after the temperature is reduced to the room temperature, the materials are taken out and ground, and the spinel-based near-infrared fluorescent powder is obtained. The spinel-based NIR fluorescent powder is obtained. According to the preparation method of the spinel-based NIR fluorescent powder, common metal hydroxides and fluorides are adopted as raw materials, the obtained fluorescent powder is high in luminous efficiency, stable in chemical property and small in brightness change at high temperature, and the preparation method is simple, easy to implement and suitable for large-scale industrial production.

The utility model relates to PC muscle training technical field especially relates to a PC muscle training device. The PC muscle training device includes: accommodating plate, connecting plate, spring, drive assembly, the top fixedly connected with the spheroid of accommodating plate, the spheroid is hollow, the inner wall symmetrical fixedly connected with the resistance block of spheroid, the similar side of two resistance blocks all is fixedly connected with two link blocks, the similar side inside of every two link blocks all is rotatably connected with link rod, the similar side outside rotatably connected with stress plate of every two link rods, the similar side fixedly connected with connecting plate of two stress plates, the bottom fixedly connected with sliding rod of connecting plate, the bottom fixedly connected with sliding plate of sliding rod. The utility model can easily make the adjusting plate move up and down, change spring compression degree, and then flexibly adjust the elasticity size, namely training resistance. Without disassembling and replacing parts, simple and efficient operation, and increase the flexibility of training device.